package com.spzx.product.receiver;

import com.rabbitmq.client.Channel;
import com.spzx.common.core.utils.StringUtils;
import com.spzx.common.rabbit.constant.MqConst;
import com.spzx.product.service.IProductService;
import lombok.SneakyThrows;
import lombok.extern.slf4j.Slf4j;
import org.springframework.amqp.core.Message;
import org.springframework.amqp.rabbit.annotation.Exchange;
import org.springframework.amqp.rabbit.annotation.Queue;
import org.springframework.amqp.rabbit.annotation.QueueBinding;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

/**
 * ClassName: ProductReceiver
 * Package: com.spzx.product.receiver
 * Description:
 *
 * @Author ycy
 * @Create 2024/9/2 15:48
 * @Version 1.0
 */
@Slf4j
@Component
public class ProductReceiver {
    @Autowired
    private IProductService productService;


    /**
     * 锁定库存
     * @param orderNo
     * @param message
     * @param channel
     */
    @SneakyThrows
    @RabbitListener(bindings = @QueueBinding(
            exchange = @Exchange(value = MqConst.EXCHANGE_PRODUCT,durable = "true"),
            value = @Queue(value = MqConst.QUEUE_UNLOCK,durable = "true"),
            key = {MqConst.ROUTING_UNLOCK}
    ))
    public void unlock (String orderNo, Message message, Channel channel){
        // 业务处理
        if (StringUtils.isNotEmpty(orderNo)){
            log.info("【商品服务】监听解锁库存消息:{}",orderNo);
            // 解锁库存
            productService.unlock(orderNo);
        }
        // 手动应答
        channel.basicAck(message.getMessageProperties().getDeliveryTag(),false);
    }

    /**
     * 扣减库存
     * @param orderNo
     * @param channel
     * @param message
     */
    @SneakyThrows
    @RabbitListener(bindings = @QueueBinding(
            exchange = @Exchange (value = MqConst.EXCHANGE_PRODUCT,durable = "true"),
            value = @Queue(value = MqConst.QUEUE_MINUS,durable = "true"),
            key = {MqConst.ROUTING_MINUS}
    ))
    public void minus(String orderNo,Channel channel,Message message){
        // 业务处理
        if (StringUtils.isNotEmpty(orderNo)){
            log.info("【商品服务】监听减库存消息:{}",orderNo);
            // 扣减库存
            productService.minus(orderNo);
        }
        //手动应答
        channel.basicAck(message.getMessageProperties().getDeliveryTag(),false);
    }
}
